William mcpherson



(No Model.)

W. MOPHERSON.

SNARLING MACHINE. No. 396,412. Patented Jan. 22, 1889.

M W a )ZQWM/n A TTORNEY,

UNITED STATES PATENT QFFTCE.

VILLIAM MCPHERSON, OF NEIV YORK, N. Y.

SNARLING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 396,412, dated January 22, 1889.

Application filed geptemher 30, 1887. Serial No. 251,158. (No model.)

To all whom, it may concern.-

Be it known that I, \VILLIAM MCPHERSON, of the city of New York, county and State of New York, have invented a new and useful Machine for Snarling Silver and other Metallic Vale, of which the followingis a specification.

The object of my invention is to provide an improved machine for snarling.

My main object is to make the machine simple in construction and operation, durable, and readily adjustable for different kinds of work.

Figure 1 is a side view of a snarling-machine constructed in accordance with my invention. Fig. 2 is a rear view of the machine. Fig. 3 is a side sectional view, and Fig. at is a plan view of the base.

A represents the table or bench; B, the base of the machine, which is firmly attached to the bench by bolts or other suitable means, Fig. 1; standards, Fig. 3, in each of which is journaled sliding boxes 0, to which is attached the trundle or trip wheel D by axle (I, one end of which passes beyond the sliding box and is provided with a pulley for the purpose of attaching power; E. a yoke attached by its respective ends to the lower ends of the sliding boxes and attached at its center to a weighted rod, E, Figs. 1

and 3, connecting it with a foot-regulator, F, fulcrumed at F under the bench, Fig. 1; G, the hammer, the handle of which is fulcrumed on standard G on base B, and provided at its inner end with a catch or lip, g, which is arranged to catch on the trundles of the trundle or trip wheel, causing the head of the hammer to rise, and when released by the revolution of the trip-wheel to fall upon the snarling-iron; H, a standard cast upon the base D, through which is an opening, in which, by means of set-screws, is adjustably attached the snarling-iron H, having its outer end curled, as shown in Fig. 1; and I, the check or bumper surrounded by a spring, 1', attached to the base directly under the end of the handle, for the purpose of acting as a cushion and prevent ing the rebound of the hammer.

The manner of using my invention is as follows; The power is attached by pulleys or belts, as shown in Fig. 1, which causes the trip-wheel to revolve, the trundles of which engage with the catch or lip on the inner 'end of the hammer-handle, causing the hammer to rise, and when released to fall upon the snarling-iron, Vibrating the same, the strength of which vibrations is in proportion to the force of the blow, which is controlled by the operator by means of the foot-regulator. The piece to be snarled is held by the operator so that the inside of the piece rests 011 the point of the snarlingiron, the force of the blow on the iron causing the point to indent the body of the piece, producing an irregular outer surface. The blow is governed by the foot-regulator, which when pressed down raises, by means of the yoke and weighted rod, the sliding box in each of the standards, thereby raising the trip or trundle wheel, producing a light blow. weighted .rod causes the boxes, with the at tached trundle or trip wheel, to return to their original position.

hat I claim as my invention, and desire to secure by Letters Patent, is

1. In a snarling-machine, the combination of the snarling-iron, the hammer, the tripwheel operatively connected therewith, and the sliding boxes in which the trip-wheel is journaled, substantially as set forth.

2. In a snarling-machine, the combination of the hammer, the trip-wheel operatively connected therewith, the sliding boxes in which the trip -wheel is journaled, and the adjustable snarling-iron, substantially as set forth.

3. In a snarling-machine, the combination of a hammer, a trip-wheel operatively connected therewith, the sliding boxes in which the trip-wheel is journaled, and the weighted foot-lever to govern the force of the blow of the hammer, substantially as set forth.

4. I11 a snarling-machine, the combination of the hammer, the trip-wheel operatively connected with the hammer, the sliding boxes in which the trip-wheel is journaled, and the hen the pressure is removed, the

f00t-regu1ator connected with the boxes, subrounded by a Spring to prevent the rebound stantially as set forth. of the hammer, substantially as shown and 5. A snarling machine consisting of a described. snarling-iron, a hammer suitably fulcrumed XVILLIAM MCPHERSON. 5 and its inner end provided with a lip or \Vitneesee: V

catch constructed to engage the trundles of ITUGH \VEIGHTMAN, the trundle or trip Wheel, and a bumper sur- 1*. \Y. CROCKER. 

